Removing all fraction symbols like “¼” and “½” from a string

Question

I need to modify strings similar to \"¼ cups of sugar\" to \"cups of sugar\", meaning replacing all fraction symbols with \"\".

I have referred to this post and mana

Answer 1

You can use below regex to replace all fraction with empty string.

str = str.replaceAll("(([\\xbc-\\xbe])?)", "")

Answer 2

Fraction symbols like ¼ and ½ belong to Unicode Category Number, Other [No]. If you are ok with eliminating all 676 characters in that group, you can use the following regular expression:

itemName = itemName.replaceAll("\\p{No}+", "");

If not, you can always list them explicitly:

// As characters (requires UTF-8 source file encoding)
itemName = itemName.replaceAll("[¼½¾⅐⅑⅒⅓⅔⅕⅖⅗⅘⅙⅚⅛⅜⅝⅞↉]+", "");

// As ranges using unicode escapes
itemName = itemName.replaceAll("[\u00BC-\u00BE\u2150-\u215E\u2189]+", "");